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a tool for shared writing and social publishing
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TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200import { LinkPreviewBody, LinkPreviewImageResult, LinkPreviewMetadataResult,} from "app/api/link_previews/route";import { Replicache } from "replicache";import type { ReplicacheMutators } from "src/replicache";import { AtpAgent } from "@atproto/api";import { v7 } from "uuid";
export async function addLinkBlock( url: string, entityID: string, rep?: Replicache<ReplicacheMutators> | null,) { if (!rep) return;
let res = await fetch("/api/link_previews", { headers: { "Content-Type": "application/json" }, method: "POST", body: JSON.stringify({ url, type: "meta" } as LinkPreviewBody), }); if (res.status !== 200) { await rep?.mutate.assertFact([ { entity: entityID, attribute: "link/url", data: { type: "string", value: url, }, }, { entity: entityID, attribute: "block/type", data: { type: "block-type-union", value: "link" }, }, ]); return; } let data = await (res.json() as LinkPreviewMetadataResult); if (!data.success) { await rep?.mutate.assertFact([ { entity: entityID, attribute: "link/url", data: { type: "string", value: url, }, }, { entity: entityID, attribute: "block/type", data: { type: "block-type-union", value: "link" }, }, ]); return; }
if (data.data.links?.player?.[0]) { let embed = data.data.links?.player?.[0]; await rep.mutate.assertFact([ { entity: entityID, attribute: "block/type", data: { type: "block-type-union", value: "embed" }, }, { entity: entityID, attribute: "embed/url", data: { type: "string", value: embed.href, }, }, { entity: entityID, attribute: "embed/height", data: { type: "number", value: embed.media?.height || 300, }, }, ]); return; } await rep?.mutate.assertFact([ { entity: entityID, attribute: "link/url", data: { type: "string", value: url, }, }, { entity: entityID, attribute: "block/type", data: { type: "block-type-union", value: "link" }, }, { entity: entityID, attribute: "link/title", data: { type: "string", value: data.data.meta?.title || "", }, }, { entity: entityID, attribute: "link/description", data: { type: "string", value: data.data.meta?.description || "", }, }, ]); let imageRes = await fetch("/api/link_previews", { headers: { "Content-Type": "application/json" }, method: "POST", body: JSON.stringify({ url, type: "image" } as LinkPreviewBody), });
let image_data = await (imageRes.json() as LinkPreviewImageResult);
await rep?.mutate.assertFact({ entity: entityID, attribute: "link/preview", data: { fallback: "", type: "image", src: image_data.url, width: image_data.width, height: image_data.height, }, });}
export async function addBlueskyPostBlock( url: string, entityID: string, rep: Replicache<ReplicacheMutators>,) { //construct bsky post uri from url let urlParts = url?.split("/"); let host = urlParts ? urlParts[2] : "bsky.app"; // "bsky.app", "blacksky.community", "witchsky.app", etc. let userDidOrHandle = urlParts ? urlParts[4] : ""; // "schlage.town" or "did:plc:jjsc5rflv3cpv6hgtqhn2dcm" let collection = "app.bsky.feed.post"; let postId = urlParts ? urlParts[6] : ""; let uri = `at://${userDidOrHandle}/${collection}/${postId}`;
let post = await getBlueskyPost(uri); if (!post || post === undefined) return false;
await rep.mutate.assertFact([ { entity: entityID, attribute: "block/type", data: { type: "block-type-union", value: "bluesky-post" }, }, { entity: entityID, attribute: "block/bluesky-post", data: { type: "bluesky-post", //TODO: this is a hack to get rid of a nested Array buffer which cannot be frozen, which replicache does on write. value: JSON.parse(JSON.stringify(post.data.thread)), }, }, { entity: entityID, attribute: "bluesky-post/host", data: { type: "string", value: host, }, }, ]); return true;}async function getBlueskyPost(uri: string) { const agent = new AtpAgent({ service: "https://public.api.bsky.app" }); try { let blueskyPost = await agent .getPostThread({ uri: uri, depth: 0, parentHeight: 0, }) .then((res) => { return res; }); return blueskyPost; } catch (error) { let rect = document; return; }}